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Posted to issues@hive.apache.org by "Eugene Koifman (JIRA)" <ji...@apache.org> on 2018/11/20 17:33:00 UTC

[jira] [Resolved] (HIVE-20738) Enable Delete Event filtering in VectorizedOrcAcidRowBatchReader

     [ https://issues.apache.org/jira/browse/HIVE-20738?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eugene Koifman resolved HIVE-20738.
-----------------------------------
       Resolution: Fixed
    Fix Version/s: 4.0.0

all subtasks are finished

> Enable Delete Event filtering in VectorizedOrcAcidRowBatchReader
> ----------------------------------------------------------------
>
>                 Key: HIVE-20738
>                 URL: https://issues.apache.org/jira/browse/HIVE-20738
>             Project: Hive
>          Issue Type: Improvement
>          Components: Transactions
>    Affects Versions: 3.0.0
>            Reporter: Eugene Koifman
>            Assignee: Eugene Koifman
>            Priority: Major
>             Fix For: 4.0.0
>
>
> Currently DeleteEventRegistry loads all delete events which can take time and use a lot of memory.  Should minimize the number of deletes loaded based on the insert events included in the Split.
> This is an umbrella jira for several tasks that make up the work.  See individual tasks for details.



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